The national sponsornig organization for tennis is the United State Tennis Association ("USTA"). The USTA offers compeitions for adults from ages 20 to 90+. In 2017, the USTA will host 40 national championship events for adults over 40 on four surfaces (See the "Calendar" for the dates and locations)

The USTA offers age-group national championships on four different surfaces. The first table below presents the schedule of dates and locations of the 2018 national championships for age groups from 40 to 90 on the four surfaces that the USTA supports. The second table summarizes the number of competitors, by gender and selected age groups, for the 2017 National Championships on each of the four surfaces. The next four tables present the national champions and the number of competitors for each of the four national championships in tennis in 2017.